battlefield.java

手机上一个坦克游戏

    }

    private void createMapList(String maps[]) {
        if (moreMapList == null) {
            moreMapList = new List("Maps", 3, maps, null);
        }
        else {
            for (; moreMapList.size() > 0; moreMapList.delete(0)) {
                ;
            }
            for (int i = 0; i < maps.length; i++) {
                moreMapList.append(maps[i], null);
            }
        }
        moreMapList.addCommand(okCommand);
        moreMapList.addCommand(new Command("MoreMap", 4, 1));
        moreMapList.addCommand(backCommand);
        moreMapList.setCommandListener(this);

        //System.out.println("finish set moremap list!!!!!!!!");
    }

    private void createChatList(String messages[]) {
        //获取当前最新20条消息
        if (chatList == null) {
            chatList = new List("Chat", 3);
            chatList.append("Welcome to ChatRoom!", null);
            chatList.addCommand(chatCommand);
            chatList.addCommand(refreshCommand);
            chatList.addCommand(backCommand);
            chatList.setCommandListener(this);

        }
        else {
            for (; chatList.size() > 1; chatList.delete(1)) {
                ;
            }
        }

        for (int i = 0; i < messages.length; i++) {
            chatList.append(messages[i], null);
        }

    }

    /**
     * 包括Tank,Missile,Item三个部分，根据需要显示
     */
    /*private void createShopForm(int type) {
        String name = "";
        switch (type) {
            case 0:
                name = "Missile";
                break;
            case 1:
                name = "buy item";
                break;
            case 2:
                name = "sell Item";
                break;
        }
        shopForm = new Form(name);
        Image shopImages[] = new Image[3];
        try {
            for (int i = 0; i < 3; i++) {
                shopImages[i] = Image.createImage(
                    "/demo/res/bullet.png");
            }
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        String shopNames[] = new String[3];
        for (int j = 0; j < 3; j++) {
            shopNames[j] = name + Integer.toString(j);
        }
        ChoiceGroup shop = new ChoiceGroup(name, 1, shopNames, shopImages);
        shopForm.append(shop);
        shopForm.addCommand(okCommand);
        shopForm.addCommand(backCommand);
        shopForm.setCommandListener(new CommandListener() {
            public void commandAction(Command command,
                                      Displayable displayable) {
                if (command == okCommand) { //进行操作

                }
                if (command == backCommand) {
                    display.setCurrent(shopForm);
                }
            }
        });
        display.setCurrent(shopForm);
    }*/

    private void createGameQueue(String gameQueue[]) {
        onlineGames = new List("Game List", 3, gameQueue, null);
        onlineGames.addCommand(joinCommand);
        onlineGames.addCommand(detailCommand);
        onlineGames.addCommand(new Command("MoreGame", 4, 1));
        onlineGames.addCommand(backCommand);
        onlineGames.setCommandListener(this);
        display.setCurrent(onlineGames);
    }

    public boolean isClision(Missile e1) { //e1是missle
        boolean flag = false;
        boolean mod = false; //是否修改过地图
        for (int i = 0; i < runs.length; i++) {
            if (runs[i].isCollision(e1)) {
                flag = true; //炸到某个坦克了
                if (!mod) { //还没有修改过地图
                    map.exacuteCrash(e1.m_x,
                                     Math.min(MAP_HEIGHT,
                                              map.getDownNotNull(e1.m_x,
                        e1.m_y)), e1.attackRadius);
                    for (int j = 0; j < runs.length; j++) { // 修改各个坦克的坐标
                        runs[j].tank_y = Math.min(MAP_HEIGHT,
                                                  map.getDownNotNull(runs[j].tank_x,
                            runs[j].tank_y +
                            runs[j].TANK_VSCALE / 2) - runs[j].TANK_VSCALE / 2);

                        //System.out.println("runs[" + j + "].tank_x = " + runs[j].tank_x);
                        //System.out.println("runs[" + j + "].tank_y = " + runs[j].tank_y);
                    }
                    mod = true;
                }
                break;
            }
        }

        if (!flag) { // 如果没有撞到任何坦克
            if (map.isCollision(e1)) { // 撞地
                for (int j = 0; j < runs.length; j++) { // 修改各个坦克的坐标
                    runs[j].tank_y = Math.min(MAP_HEIGHT,
                                              map.getDownNotNull(runs[j].tank_x,
                        runs[j].tank_y +
                        runs[j].TANK_VSCALE / 2) -
                                              runs[j].TANK_VSCALE / 2);
                    //System.out.println("runs[" + j + "].tank_x = " + runs[j].tank_x);
                    //System.out.println("runs[" + j + "].tank_y = " + runs[j].tank_y);
                }
                flag = true;
            }
        }
        return flag;

    }

    public void setTranslateX(int x) {
        SCREEN_X = SCREEN_X + x;
        if ( -SCREEN_X <= 0) {
            SCREEN_X = 0;
        }
        if ( -SCREEN_X >= MAP_WIDTH - screen_w) {
            SCREEN_X = screen_w - MAP_WIDTH;
        }
    }

    public void setTranslateY(int y) {
        SCREEN_Y = SCREEN_Y + y;
        if ( -SCREEN_Y <= 0) {
            SCREEN_Y = 0;
        }
        if ( -SCREEN_Y >= MAP_HEIGHT - screen_h) {
            SCREEN_Y = screen_h - MAP_HEIGHT;
        }

    }

    public void drawWindLine(Graphics g) {
        g.setColor(255, 255, 255);
        g.drawString("wind", 43 - SCREEN_X, 13 - SCREEN_Y, 20);
        g.setColor(0, 0, 0);
        g.drawRect(19 - SCREEN_X, 14 - SCREEN_Y, 21, 8);
        g.drawRect(70 - SCREEN_X, 14 - SCREEN_Y, 21, 8); ;
        g.setColor(66, 186, 255);
        g.fillRect(20 - SCREEN_X, 15 - SCREEN_Y, 20, 7);
        g.fillRect(71 - SCREEN_X, 15 - SCREEN_Y, 20, 7);

        g.setColor(202, 236, 255);
        if (map.m_nWindPower < 0) {
            g.fillRect(40 - SCREEN_X + map.m_nWindPower, 15 - SCREEN_Y,
                       Math.abs(map.m_nWindPower), 7);
        }
        else {
            g.fillRect(71 - SCREEN_X, 15 - SCREEN_Y, map.m_nWindPower, 7);
        }

    }

    /** to Create the backgroud*/
    private void drawBG(Graphics g) {
        try {
            g.setColor(mapColor[ (cur_mapid - 1) % 4]);
            g.fillRect( -SCREEN_X, -SCREEN_Y, screen_w, screen_h);
            if (map != null) {
                map.paint(g);
            }
            g.setColor(0, 0, 0);
            g.drawRect( -SCREEN_X + 19, 3 - SCREEN_Y, 71, 8); //力度条的外框
            drawWindLine(g);

            Font f = Font.getFont(Font.FACE_SYSTEM,
                                  Font.STYLE_BOLD,
                                  Font.SIZE_MEDIUM);
            g.setFont(f);
            if (gameStatus > 5 && isMe && runs.length > 1) {
                g.setColor(mapColor[ (cur_mapid - 1) % 4]);
                g.fillRect(-SCREEN_X + 2,-SCREEN_Y + 10,16,16);
                g.setColor(255, 50, 50);
                g.drawString("" + count_time, -SCREEN_X,
                             -SCREEN_Y + 10, 20);
            }

            //掉物品
            drawItemAnimation(g);

            for (int index = 0; index < runs.length; index++) {
                Tank ct = null;
                try {
                    ct = runs[index];

                }
                catch (ArrayIndexOutOfBoundsException ex) {
                    break;
                }
                if (ct != null) {
                    if (ct.life > 0) {
                        ct.paint(g);
                        if (ct.life < 20) {
                            g.setColor(248, 103, 114);
                        }
                        else {
                            if (!runs[index].isEnemy) {
                                g.setColor(91, 255, 91);
                            }
                            else {
                                g.setColor(117, 255, 255);
                            }

                        }
                        f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD,
                                         Font.SIZE_SMALL);
                        g.setFont(f);
                        g.drawString(ct.userName + "",
                                     ct.tank_x + 5,
                                     ct.tank_y - 25,
                                     g.TOP | g.LEFT); //画坦克名字

                        f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN,
                                         Font.SIZE_SMALL);
                        g.setFont(f);
                        g.drawString(ct.life + "",
                                     ct.tank_x + 5,
                                     ct.tank_y - 15,
                                     g.TOP | g.LEFT);
                    }
                }
            }
            if (arrow != null) {
                g.drawImage(arrow, now.tank_x - 4, now.tank_y - 35, 20);
            }
            g.setColor(255, 255, 0);
            //打印战场的消息
            for (int i = 0; i < content.length; i++) {
                if (!content[i].equals("")) {
                    g.drawString(content[i], 5 - SCREEN_X,
                                 25 + i * 13 - SCREEN_Y, 20);
                }
            }
            if (now != null) {
                if (now.userName.equals(userName)) {
                    if(compass != null)
                    g.drawImage(compass, 28 - SCREEN_X,
                                screen_h - SCREEN_Y - 16,
                                20);
                    int x = MathFP.toInt(MathFP.mul(MathFP.toFP(15),
                        MathFP.cos(
                        MathFP.mul(MathFP.toFP(now.angle),
                                   MathFP.toFP("0.0174532")))));
                    int y = MathFP.toInt(MathFP.mul(MathFP.toFP(15),
                        MathFP.sin(
                        MathFP.mul(MathFP.toFP(now.angle),
                                   MathFP.toFP("0.0174532")))));
                    int h;
                    if (now.angle == 90) {
                        h = 45 - SCREEN_X;
                    }
                    else {
                        h = 45 + now.direction * x - SCREEN_X;
                    }
                    g.drawLine(45 - SCREEN_X, screen_h - SCREEN_Y - 1, h,
                               screen_h - SCREEN_Y - y - 1);
                    if(view != null)
                    g.drawImage(view, screen_w - SCREEN_X - 60,
                                screen_h - SCREEN_Y - 17, 20);
                    if(move != null)
                    g.drawImage(move, screen_w - SCREEN_X - 40,
                                screen_h - SCREEN_Y - 17, 20);
                    if (now.userName.equals(userName) && now.USED_PRO) {
                        if(curUsed != null)
                        g.drawImage(curUsed, screen_w - SCREEN_X - 20,
                                    screen_h - SCREEN_Y - 17, 20);
                    }
                    else {
                        if(prop != null);
                        g.drawImage(prop, screen_w - SCREEN_X - 20,
                                    screen_h - SCREEN_Y - 17, 20);
                    }
                }
            }
        }
        catch (Exception e) {
            e.printStackTrace();